Patents by Inventor Mutyala Krishnaji Rao

Mutyala Krishnaji Rao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for resolution of 1-(3-hydroxyphenyl)-2-methylamino ethanol
    Patent number: 8455692
    Abstract: Resolution of the title compound to its active isomer (R)-1-(3-hydroxyphenyl)-2-methylamino ethanol with (R)-naproxen as a resolving agent.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: June 4, 2013
    Assignee: Divi's Laboratories, Ltd.
    Inventors: Murali Krishna Prasad Divi, Padakandla Gundu Rao, Bolneni Nageswara Rao, Medepudi Ramesh Babu, Mutyala Krishnaji Rao, Allupati Padmanav Patro
  • PROCESS FOR RESOLUTION OF 1-(3-HYDROXYPHENYL)-2-METHYLAMINO ETHANOL
    Publication number: 20120108848
    Abstract: Resolution of the title compound to its active isomer (R)-1-(3-hydroxyphenyl)-2-methylamino ethanol with (R)-naproxen as a resolving agent.
    Type: Application
    Filed: December 22, 2010
    Publication date: May 3, 2012
    Applicant: Divi's Laboratories Limited
    Inventors: Murali Krishna Prasad Divi, Padakandla Gundu Rao, Bolneni Nageswara Rao, Medepudi Ramesh Babu, Mutyala Krishnaji Rao, Allupati Padmanav Patro
  • Process for the resolution of racemic (R,S) -5-(2-(2-(2- ethoxyphenoxy) ethylamino)Propyl)-2-methoxybenzene sulfonamide (tamsulosin), its novel R and S isomers and their salts and processes for their preparation
    Patent number: 7238839
    Abstract: An improved process is described to resolve a racemic mixture in any proportion of 5-(2-(2-(2-ethoxyphenoxy)ethylamino)propyl)-2-methoxy benzene sulfonamide as a free base or some of its salts, with BPA either S or R form to obtain enantiomerically highly pure R and S-isomer as a well characterized free base or as a salt of the title compound. Also described are novel R and S-isomers of 5-(2-(2-(2-ethoxyphenoxy) ethylamino)propyl)-2-methoxy benzene sulfonamide and their salts and the processes for their preparation.
    Type: Grant
    Filed: May 24, 2005
    Date of Patent: July 3, 2007
    Assignee: Divi's Laboratories Limited
    Inventors: Bolineni Nageswara Rao, Mutyala Krishnaji Rao, Allupati Padmanav Patro, Ambadipudi Udayalakshmi, Mutyala Veeraiah, Gundu Rao Padakandala